Discussion
What was the total production of cars of type B in all the years together?
Answer: B
To find the total production of type B cars, we need to sum the values in the 'B' column.
Total Production of B = 150 + 160 + 170 + 180 + 190 + 200
This is an arithmetic progression. Sum = \(\frac{n}{2}(a+l) = \frac{6}{2}(150+200) = 3 \times 350 = 1050\).
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